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- Title
Homogeneous Pt nanostructures surface functionalized with phenylboronic acid phosphonic acid derivatives as potential biochemical nanosensors and drugs: SERS and TERS studies.
- Authors
Proniewicz, Edyta; Gralec, Barbara; Ozaki, Yukihiro
- Abstract
Here, surface‐enhanced Raman scattering (SERS) and tip‐enhanced Raman scattering (TERS) were used to characterize the selective adsorption of N‐substituted 4‐[(NH‐R)(phosphono)‐S‐methyl]phenylboronic acids on the surface of platinum nanoparticles (PtNPs) from an aqueous solution and from air. The nature of the interaction of the studied compounds with the PtNPs/H2O and PtNPs/air interfaces was discussed and compared. For this purpose, 4‐[(N‐anilino)(phosphono)‐S‐methyl]phenylboronic acid (1‐PBA‐PA) and its two analogs (2‐PBA‐PA and bis{1‐PBA‐PA}) as well as the PtNPs were synthesized in surfactant/ion‐free solution via a synthetic route that allows control of the size and morphology of the NPs. The positively charged PtNPs with a size of ~12 nm were characterized by ultraviolet–visible spectroscopy (UV–Vis), dynamic light scattering (DLS), scanning electron microscopy (SEM), and X‐ray powder diffraction (XRD).
- Subjects
PHOSPHONIC acid derivatives; SERS spectroscopy; PLATINUM nanoparticles; NANOSENSORS; RAMAN scattering
- Publication
Journal of Biomedical Materials Research, Part B: Applied Biomaterials, 2023, Vol 111, Issue 6, p1197
- ISSN
1552-4973
- Publication type
Article
- DOI
10.1002/jbm.b.35225